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Physics Simulation News

The latest Physics Simulation coverage curated for game developers.

GaussianBench: Physics-Fidelity Evaluation for Gaussian Scene Representations

arXiv cs.GR details GaussianBench, a new way to judge physics-integrated 3D Gaussian scene systems by whether their internal state is physically sound, not just visually convincing. The suite checks conservation, …

Research arXiv cs.GR · 1 week, 5 days ago
Fluid-Gen-Zero: Grounding Pretrained Video Generators in Physics without Training

arXiv cs.GR details Fluid-Gen-Zero, a training-free way to make pretrained video generators obey fluid physics without retraining. It splits motion from appearance, using a simulator for dynamics and a VLM-guided …

Research arXiv cs.GR · 1 week, 5 days ago
Simulation Methods for Multiphysics Phenomena in Visual Computing

arXiv cs.GR details new course notes on multiphysics simulation for visual computing, aimed at the math and implementation side of game-ready physics. The paper covers rigid bodies, deformables, fluids, granular …

Research arXiv cs.GR · 1 week, 6 days ago
PhysStream: Streaming Physics-Grounded Video Generation with Structured Scene Memory and Fine-Grained Motion Control

arXiv cs.GR details PhysStream, a video-generation model that lets creators steer physics-driven motion mid-generation instead of locking in a full control schedule up front. For game teams, the interesting bit …

Research arXiv cs.GR · 1 month ago
SNAP3D: Physically Grounded 3D Parts for Assembly from a Single Image

SNAP3D tackles a common failure mode in part-aware 3D generation: parts that look right but cannot actually assemble. The system uses physics feedback to reduce interpenetration, infer contact relationships, and …

Research arXiv cs.GR · 1 month, 1 week ago
Orientation in Extended Position-Based Dynamics: Application to Rigid Bodies and Cosserat Rods

XPBD is getting a serious orientation upgrade: a new Lie-theory framework makes rotational constraints, interpolation, and differentiation much cleaner. The payoff is a rigid-body simulation consistency boost of more than …

Research arXiv cs.GR · 1 month, 3 weeks ago
Erratum: Robust and Efficient Penetration-Free Elastodynamics without Barriers

A correction has been issued for the elastodynamics paper on penetration-free simulation, updating the record around a 2026 TOG publication. For graphics and physics programmers, the practical takeaway is that …

Research ACM Graphics · 1 month, 3 weeks ago
Differentiate the Solver, Not the Equation: Reverse-Sweep Adjoints for Block Implicit Simulation

A new differentiable simulation method keeps gradients aligned with the solver that actually ran, instead of the converged equation. By reversing block-implicit updates one local adjoint step at a time, …

Research arXiv cs.GR · 2 months, 1 week ago
Text2Villa: Hierarchical Generation of 3D Indoor Environments with Physics-Aware Analysis-by-Synthesis

Text2Villa tackles a hard problem for 3D content pipelines: turning text into multi-room indoor spaces that stay physically plausible. The system combines a hierarchical layout generator with physics-aware scene assembly …

Research arXiv cs.GR · 3 months ago
WristMimic: Full-Body Humanoid Control with Wrist-Guided Manipulation

A new humanoid control method uses the wrist as the handoff point between body motion and object manipulation. WristMimic tracks the torso and wrist kinematically, then lets the fingers learn …

Research arXiv cs.GR · 3 months, 1 week ago
ControlHair: Synergizing Physics Simulator and Video Diffusion for Controllable Dynamic Hair Rendering

ControlHair combines a physics simulator with video diffusion to make dynamic hair rendering more controllable. The pipeline turns simulated hair motion into per-frame control signals, then drives a diffusion model …

Research arXiv cs.GR · 3 months, 2 weeks ago
PIAvatar: Physically Interactive Avatars via Deformation Gradient Decoupling

A new avatar simulation approach tries to solve a long-standing problem: making human characters physically interact without collapsing their pose fidelity. PIAvatar decouples kinematic velocity from deformation gradient, then runs …

Research arXiv cs.GR · 3 months, 2 weeks ago
Real-Time Physics Simulation with Dynamic Mesh-Gaussian Reconstructions

A fixed-topology physics path can run 4.65× faster than varying-topology baselines, but the paper’s bigger takeaway is harsher: converting high-quality dynamic reconstructions into physics-friendly meshes costs 65-80% of geometric fidelity. …

Research arXiv cs.GR · 4 months, 2 weeks ago
PhysOmni: Physics-Grounded Multi-Object Scene Generation from a Single Image with Real-Time Interaction

PhysOmni turns a single image into a physically consistent, interactive 3D scene with real-time previews. The training-free system reconstructs full scene geometry in one coordinate space, reducing object penetration and …

Research arXiv cs.GR · 5 months ago
3DPhysVideo: Consistency-Guided Flow SDE for Video Generation via 3D Scene Reconstruction and Physical Simulation

A new training-free pipeline claims to turn a single image into physically plausible video by first reconstructing 360° scene geometry, then running physics on that geometry before reusing the same …

Research arXiv cs.GR · 5 months ago
Distributed Affine Body Dynamics with Adaptive Consensus

A new distributed solver lets Affine Body Dynamics keep IPC’s non-penetration guarantees while scaling across multiple GPUs or nodes. The key change is replacing the globally coupled barrier solve with …

Research arXiv cs.GR · 5 months ago
PG-3DGS: Optimizing 3D Gaussian Splatting to Satisfy Physics Objectives

The introduction of Physics-Guided 3D Gaussian Splatting (PG-3DGS) marks a significant advancement in 3D scene generation. By integrating physics simulation with visual representation, developers can create objects that not only …

Research arXiv cs.GR · 5 months, 1 week ago
PhysGaia: A Physics-Aware Benchmark with Multi-Body Interactions for Dynamic Novel View Synthesis

PhysGaia introduces a groundbreaking physics-aware benchmark for Dynamic Novel View Synthesis, focusing on multi-body interactions. This tool is crucial for developers aiming to enhance realism in simulations, as it offers …

Research arXiv cs.GR · 6 months, 2 weeks ago
Physical Simulator In-the-Loop Video Generation

The introduction of Physical Simulator In-the-Loop Video Generation (PSIVG) marks a significant leap in video generation technology for game developers. By integrating a physical simulator into the video diffusion process, …

Research arXiv cs.GR · 7 months, 1 week ago
RealWonder: Real-Time Physical Action-Conditioned Video Generation

RealWonder introduces a groundbreaking approach to video generation by integrating real-time physics simulation with action conditioning. This innovation allows developers to create interactive experiences that simulate physical consequences in 3D …

Research arXiv cs.GR · 7 months, 2 weeks ago
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